Mild
Average highs are around 22°C, so days are mild rather than hot.
May verdict
Sioux Falls, South Dakota, United States in May
Weather score54Mixed
Mixed for holiday weather
Average highs are around 22°C, so days are mild rather than hot. Sunshine averages 9.1h per day, so bright days are a strong part of the month. Rainfall averages 79mm, which is relatively low for holiday planning.
May weather
Monthly averages
Temp
22°C
Rain
79mm
Sun
9.1h
Weather score
54
Mixed
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
Weather scoreWeather score
Trip feel
Drier
Rainfall averages 79mm, which is relatively low for holiday planning.
Bright
Sunshine averages 9.1h per day, so bright days are a strong part of the month.
Map
Weather map
Compare Sioux Falls, South Dakota, United States with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
May22°C average high
May sits in the warmer part of the year, so midday sightseeing can feel heavier than in cooler months.
Warmest monthsMay to September
This stretch sets the upper range for average daytime heat.
Rain
May79mm average rain
May is wetter than Sioux Falls' yearly average, so flexible plans matter more.
Driest monthsJanuary to March and November to December
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
May9.1 hours average sun
May is brighter than Sioux Falls' yearly average, though the strongest sunshine usually sits closer to the peak months.
Brightest monthsJune to August
This stretch has the strongest sunshine in the monthly averages.
Weather score
May54 weather score
May scores below Sioux Falls' yearly average, so the weather trade-offs are more noticeable.
Best weather monthsJuly to August
These months have the strongest weather score in the monthly averages.
Hotels in Sioux Falls, South Dakota, United States
Marriott
Sheraton Sioux Falls Hotel & Convention CenterSioux Falls, South Dakota, USA
Courtyard Sioux FallsSioux Falls, South Dakota, USA
Fairfield Inn & Suites Sioux FallsSioux Falls, South Dakota, USA
Fairfield Inn & Suites Sioux Falls AirportSioux Falls, South Dakota, USA
SpringHill Suites by Marriott Sioux FallsSioux Falls, South Dakota, USA
Residence Inn Sioux FallsSioux Falls, South Dakota, USA